Das Hören durch die Zähne und das Audiphone

German article in Die Gartenlaube, 1880, no. 17

Details

Instance of: article
Publication date: 1880
Main subject: telephone, microphone, eardrum, auditory ossicle, Audiphon, hearing, tooth
copyright status: public domain
issue: 17
language of work or name: German
page(s): 284
published in: Die Gartenlaube
title: Das Hören durch die Zähne und das Audiphone

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